Question

45. Find the equivalent capacitance between C and B.
4 uF
2 ur
12 ur
4.
OB
C
P
9
r
(1) 6/5 uF
(2) 5/6 uF
(4) none of these
(3) 4uF​

Answer 1

Answer:

Here, C=dAϵ0=7μF. The equivalent circuits are shown in the figure.

Now, Ceq=C+C+(C/2)C(C/2)=C+(1/3)C=(4/3)C

and CAB=C+Ceq+CCeqC=C+(4/3)C+C(4/3)CC=C+(4/7)C=(11/7)C=(11/7)(7)=11μF